Grass-destroying machine.



P. R. JAUOBSON.

GRASS DESTROYING MACHINE.

APPLICATION FILED FEB. 24; 1914 Patented Oct. 20, 1914.

UNITED STATES PATENT OFFICIL PETER R. JACOBSON, OF LAKE PARK, MINNESOTA.

GRASS-DBSTROYING MACHINE.

To all whom it may concern:

Be it known that I, PETER R. JAGOBSON. a citizen of the United States, residing at Lake Park. in the county of Becker and State of Minnesota, have invented certain new and useful Improvements in Grass-Destroying Machines, of which the following is a specification. Y

The present invention apperteins to imprrivvements in agricultural machinery and to that class designed for the purpose of extracting and destroying grass An object of this invention is to proyide a toothed rotating member or drum which is adapted to act upon the turf of soil suitably cut and conveyed into Contact therewith in such :1 manner as to separate the grass and its roots from the earth as the latter is dashed by the drum against an impact mcm her. allowing the earth adhering to the grass to fall back upon the surface of the ground while the grass is thrown upon the top of the same from Where it may readily be col levied or destroyed through action of the elements.

A. further oh ect of this device lies in the pro ision of suitable means for releasing the driving connection of the rotating member to permit it to freely revolve upon sudden stoppage of the machine or in turning. eliminating likelihood of breakage due to quick take up of the movement of the device.

W th the above and other objects in Vi w, this invention consists in the (,OnFlYll 'ilM), combination and arrangement of port all as hcrcinbefore more fully described. claimed and illustrated in the accompanying drew ings. wherein:

Figure l a side cim'otiou ot a, machine mnstrurtcd in :iccordanre with my iii-(cilis :1 top plan view of the \gnu-ntury rear elevation momlwr or plow vmplovwl in the mizi lructiou.

'lhrourylmut the following detail tlf'SlIl'lll tion, and on the several figures of "no (llnw- .--:iuiilar gmrts ure referred to by like w cliurzn-lcrs.

ring to the drawings is shining an (llllmll'llllli of my device the numcrul l ilr ilfuules u frame of any (lGSllP l conioruro lion. preferably rcclengular in shape Rh l mounted upon an uxli; or dririnrj shoit if ar ying the usual ground n 3. A

Specification of Letters Patent.

Application filed February 24, 19:4.

' ivardly will rai e "plow l bref -rublv employ the usual colters Patented Oct. 20, 191 4. Serial No. 820,532.

snown in the drawing the frame is mounted at its rear portion upon the axle 2 while attached to its forward extremity is a suitable form of draft truck 4, the latter embodying ad usting means by which the frame 1 maybe raised or lowered at its forward portion for the purpose of regulating the cutting action of a plow member forming a part of the machine, as will be more clearly described hereinafter. The 'axle 5 of the draft truck is bent intermediate its length adjacent the Wheels 6 and 21 lever 7 engaging a notched segment 8 constitutes the adjusting means just mcntioi'ie-fl unrl it will be obvious that movement of the lever 7 forwardly or rear or lower the frame Will: a reasonable deg-re. of adjustment.

Depending from the side members 2 of the frame 1 are spaced bars 9 connected to opposite sides of a shovel or plow 10, which shoi cl is of any desired form but preferably one having a diagonally urran ed cutting edge ll end a land side 12. immediately prerediim' the lutcrol edge portions of the 1'). Adiucenl' the rear extremity art the. shovel l0 mounted an endless converer ll poseing around suitable rollers L5 and 25 which ronveve'zr inclines in substantial alimement with the surface of tie shovel More mid. and is driven through the iirtriiineuti-ility of gearing .1 shown in lcurlj! in in, the t 5..

The rotating parts of this dfi ice in; hercin'octorisuggested are driven th the instrumentalitv of gears. main driving ever 18'' beirm' carried by the she l and meshing nitn r'. gun 19 on it shor rill 2 wlfijh also hes; at one extremity n pull v m'cr which tin welt 2i is dispwed For driving: the QHIH'QVQY ll. The shaft it also has swured the 1 lei-renew .22 which in tern i .u :1 small gear 23 se ured to :1 short sh r and the latter shalt has also a large gear L 2 iut iuzmcslws vat. axle :27. it i il'lHS be obvious that. the li' l l. o lnp e l to be rotated at high epccd through tin; proper ratio of gears; just (inscrihed airi also that the r'xmvecer i mused to more at e s red which properly proport onal to the mo rnient of the rum zinc in acting upon the turf. A suitable casing 28 houses the gearing: and also forms a. support for the shafts Q0 and 2 L In the use of my device the machine is adapted to be drawn o er the ground and the cutting member ltl is properly adjusted so that a layer of the earth is cut, the

thickn as or which depends upon the depth to vhirh the roots oi the have penetrawlv 'ihi gr '19. sometimes termed quirk. ira: and well known to agricuh turalisis to he oi c nsiderable detriment in the culti ation ot land. l suall the grass. hox or. may in. tly-strog'etl or killed by exposiug; me to the elements a tter OX- tractiug i tr n) tin 'zjround or utter the extra tim; a tion the gnu-: upon the surface may be raked and the land therel' v cleared. .\s the turf passes over the cutting element i it is ca rried h the conveyor l t rearwardly ot the machine until it reaches a point directly in from, of the drum 1%. which drum rotating at hisrh epcwh and through the instriuuentalit of its teeth 18', tears up the material. the milled soil being forcibly thrown by the drum against an impact member or plat 529 -ritual =l ab ve the upper portion of the f()ll\'t \'tl' l l and beneath the axle The earth i-- puh wired by the impact and falls havl; n on the ground while the grass and root sepa ated therefrom by the teeth of the drum are thro n by the latter over the sanm. in a dire tion real-woolly oi the machine. where said 31f! s falls upon the sur face of the ground. Conn cted to and tending upwardly substantially vertically of the impact meui )0! 29 is a. guard plate 30. the function oi which is to prevtait the material from boin thrown toward the operator of the machine as will be apparent.

The speed of rotation of the drum l8 as well as the opi'r on ot the other moving nirmhare i lil""-. d e able some mechanism by which ilw eunu- .uay h t'i'ced to continue to reiol c when tho machine has been brought to r nil id a stop or where it is turned and tor this purpose I have employed coopm-atimg' "hitch members 31. on the i axle '3 .ul avent i-avh ol' th grround Wheels S' and the row i: :h nwnt oi the clutch menu her norma in hit luff 'enga iement To i'clca e the rintrhc: te l on thrarms 3% arliaii-m. rmh the lut h members is ada'ued to vrirgag e the springs l! when the UL -!:lll lever 37. arran yal adjacent the. op-

erat i' s' 1t il on thi- 'l'raiuc l is moved toru'ar lly llll lc' H's heme; connected by mean of links or rods 15? to a transverse supporting rod 38 to which the lever 35 is secured. The revolution of the drum and the conveyer will continue until they stop of their own accord and when the lever 35 -is moved rearwardly the clutches again engage and cause shredding action hereinbefore described to be resumed.

Various changes may readily be made in the details of construction and arrangement of parts of this device without departing from the spirit of the invention, and within the scope of the appended claims. Such changes comprehend also the adaption of the machine comprising this invention for the purpose of breaking new lands and pulverizing the earth simultaneously with this operation as well as the employment of the apparatus for the digging of potatoes and the like, in which use the drtini 18 may be removed.

Having thus described the invention, what I claim as my invention is:

1. In a grass destroying machine of the class described, the combination with a wheeled frame. of a plow member carried thereby for cutting a turf of soil, a toothed drum rotatably mounted on said frame against which the soil is directed, a conveyer disposed in rear of the plow member for conveying the soil to the drum. an im pact plate supported by the frameabove the rear portion of the/"conveyor member and intermediate the latter and the toothed drum, and means for rotating the conveyor and drum to cause the soil to be thrown upwardly by the latter as it laai es the conveyor against the impact. plate! aforesaid.

2. In a grass destroying maehiiie of the class desc ibed. the combination with a wheeled frame. of a plow member carried thereby for cutting; a turf of soil. a toothed drum rotatably mounted on said frame against which the soil is directed. a conveyor disposed in rear of the plow member for coni'rfing the soil to the drum. an impact plate supported by the frame above the rear portion of the conveyor member and inter mediate the latter and the toothed drum. means for rotating the conveyor and drum to muse the soil to be thrown upwardly by the latter as it leaws the conveyor against the impact plate a toresaid. and a guard platc onnected to the impact plate and extending upwardly at an angle thereto in front of the rotatable drum.

ln testimouv whereof I allix my signature in presence of two witnesses.

PE'IER ll. JACOBSON.

\Vitnesses CIrAnnns l Foss, ERNEST Fonz. 

